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McKearney D, Roberts RJ, Mitchell D, Cheung JCF, Williams VE, Leznoff DB. Preferential Formation of Side‐Pocket‐Substituted Zinc Phthalocyanines Emitting Beyond 800 nm. Eur J Inorg Chem 2021. [DOI: 10.1002/ejic.202100378] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Declan McKearney
- Department of Chemistry Simon Fraser University 8888 University Drive Burnaby British Columbia V5A 1S6 Canada
| | - Ryan J. Roberts
- Department of Chemistry Simon Fraser University 8888 University Drive Burnaby British Columbia V5A 1S6 Canada
| | - Devon Mitchell
- Department of Chemistry Simon Fraser University 8888 University Drive Burnaby British Columbia V5A 1S6 Canada
| | - Jeffrey C. F. Cheung
- Department of Chemistry Simon Fraser University 8888 University Drive Burnaby British Columbia V5A 1S6 Canada
| | - Vance E. Williams
- Department of Chemistry Simon Fraser University 8888 University Drive Burnaby British Columbia V5A 1S6 Canada
| | - Daniel B. Leznoff
- Department of Chemistry Simon Fraser University 8888 University Drive Burnaby British Columbia V5A 1S6 Canada
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May A, Majumdar P, Martynov AG, Lapkina LA, Troyanov SI, Gorbunova YG, Tsivadze AY, Mack J, Nyokong T. Optical limiting properties, structure and simplified TD-DFT calculations of scandium tetra-15-crown-5 phthalocyaninates. J PORPHYR PHTHALOCYA 2020. [DOI: 10.1142/s108842462050011x] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
The optical limiting properties of crown-ether-substituted scandium(III) phthalocyaninate complexes, bis-tetra-15-crown-5-phthalocyaninates Sc[(15C5)4Pc][Formula: see text] (I) and Sc[(15C5)4Pc][Formula: see text] (Ia), together with monophthalocyaninate [(15C5)4Pc]Sc(OAc) (II) were measured by using the Z-scan technique (532 nm laser and pulse rate of 10 ns). It was revealed that expansion of the [Formula: see text]-system on moving from the monomeric Sc complex II to sandwich compound I and changing the electronic state of the sandwich compound from the anionic Ia species to the neutral radical I improves the optical limiting properties. The Im[[Formula: see text]] values obtained lie in the 10[Formula: see text]–10[Formula: see text] esu range that is consistent with those reported previously for other organic chromophores. The crystal structure of sandwich Sc(III) complex I was elucidated by means of single-crystal X-ray diffraction analysis and was used to guide a series of theoretical calculations. It was demonstrated that the application of simplified time-dependent density functional theory (sTD-DFT) calculations can provide reasonably accurate predictions for compounds of this type when the geometries of the complexes are clearly defined.
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Affiliation(s)
- Aviwe May
- Institute for Nanotechnology Innovation, Department of Chemistry, Rhodes University, Makhanda 6140, South Africa
| | - Poulomi Majumdar
- Institute for Nanotechnology Innovation, Department of Chemistry, Rhodes University, Makhanda 6140, South Africa
| | - Alexander G. Martynov
- A. N. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, Leninsky pr., 31, building 4, Moscow 119071, Russia
| | - Lyudmila A. Lapkina
- N. S. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninsky pr., 31, Moscow 119991, Russia
| | - Sergey I. Troyanov
- Chemistry Department, Moscow State University, Leninskie Gory, Moscow 119991, Russia
| | - Yulia G. Gorbunova
- A. N. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, Leninsky pr., 31, building 4, Moscow 119071, Russia
- N. S. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninsky pr., 31, Moscow 119991, Russia
| | - Aslan Yu. Tsivadze
- A. N. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, Leninsky pr., 31, building 4, Moscow 119071, Russia
- N. S. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninsky pr., 31, Moscow 119991, Russia
| | - John Mack
- Institute for Nanotechnology Innovation, Department of Chemistry, Rhodes University, Makhanda 6140, South Africa
| | - Tebello Nyokong
- Institute for Nanotechnology Innovation, Department of Chemistry, Rhodes University, Makhanda 6140, South Africa
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